Checkout Guide; Lenovo Companion; Quick Test Programs - Lenovo THINKPAD X1 Tablet Gen 3 Hardware Maintenance Manual

• Damage caused by the improper insertion of a PC Card or the installation of an incompatible card
• Fuses blown by attachment of a nonsupported device
• Forgotten computer password (making the computer unusable)
• Sticky keys caused by spilling a liquid
• Damage caused due to use of an incorrect ac power adapter
The following symptom might indicate damage caused by nonwarranted activities:
• Missing parts might be a symptom of unauthorized service or modification.

Checkout guide

Use the following procedures as a guide in identifying and correcting problems with the ThinkPad
computers.
Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products,
prototype cards, or modified options can lead to false indications of errors and invalid system responses.
1. Identify the failing symptoms in as much detail as possible.
2. Verify the symptoms. Try to re-create the failure by running the diagnostic test or by repeating the
operation.

Lenovo Companion

Lenovo Companion is preinstalled on the computer. Lenovo Companion supports the hardware scan
function. It combines diagnostic tests, system information collection, security status, and support
information, along with hints and tips for optimal system performance.
To run the Lenovo Companion program, open the Start menu and click Lenovo Companion, and then follow
the instructions on the screen.
For additional information, see the help system of the program.

Quick test programs

Run quick test programs to troubleshoot and resolve computer problems, especially when the computer
does not have the Lenovo Companion program installed.
To download and install a quick test program, go to
on the Web site.
To run a test using a quick test program, do the following:
1. Go to the C:\SWTOOLS\ldiag directory.
2. Double-click the lsc_lite.exe file.
3. When the User Account Control window opens, if any, click Yes.
4. Select the device class to be tested.
5. Select the devices to be tested.
6. Select the test to be performed.
7. Follow the instructions on the screen to start the test. When a problem is detected, information
messages are displayed. Refer to the messages to troubleshoot the problem.
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X1 Tablet Gen 3 Hardware Maintenance Manual
https://www.lenovo.com/diags , and follow the instructions